Consolidated Statement of Stockholders’ Equity - USD ($) shares in Thousands, $ in Thousands		Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Mar. 31, 2020		$ 2	$ 450,978	$ (205,914)	$ 245,066
Balance, Shares at Mar. 31, 2020		17,185
Equity based compensation	[1]		1,955		1,955
Equity based compensation, Shares	[1]	38
Equity payment of prior year accrued employee related expenses			1,537		1,537
Equity payment of prior year accrued employee related expenses, Shares		20
Stock option exercises			1,019		1,019
Stock option exercises, Shares		46
Net loss				(15,130)	(15,130)
Balance at Jun. 30, 2020		$ 2	455,489	(221,044)	234,447
Balance, Shares at Jun. 30, 2020		17,289
Balance at Mar. 31, 2021		$ 2	472,854	(260,348)	212,508
Balance, Shares at Mar. 31, 2021		17,670
Equity based compensation	[1]		3,296		3,296
Equity based compensation, Shares	[1]	73
Stock option exercises			5,371		5,371
Stock option exercises, Shares		295
Net loss				(11,950)	(11,950)
Balance at Jun. 30, 2021		$ 2	$ 481,521	$ (272,298)	$ 209,225
Balance, Shares at Jun. 30, 2021		18,038

[1] includes restricted shares